05-11-2010
What do you want to achieve? Looks like you want to match strings containing 4 digits
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Hi,
I have file 1.txt with following entries as shown:
0152364|134444|10.20.30.40|015236433
0233654|122555|10.20.30.50|023365433
**
**
**
In file 2.txt I have the following entries as shown:
0152364|134444|10.20.30.40|015236433
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Hello everyone, this is my first post so please give me a hand.
I apologize for my English, I'll try to be clear with my request.
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Hi All ,
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Hi,
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'Hi
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The sample file:
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LEARN ABOUT NETBSD
iso_addr
ISO_ADDR(3) BSD Library Functions Manual ISO_ADDR(3)
NAME
iso_addr, iso_ntoa -- elementary network address conversion routines for Open System Interconnection
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <sys/types.h>
#include <netiso/iso.h>
struct iso_addr *
iso_addr(const char *cp);
char *
iso_ntoa(struct iso_addr *isoa);
DESCRIPTION
The routine iso_addr() interprets character strings representing OSI addresses, returning binary information suitable for use in system
calls. The routine iso_ntoa() takes OSI addresses and returns ASCII strings representing NSAPs (network service access points) in a notation
inverse to that accepted by iso_addr().
Unfortunately, no universal standard exists for representing OSI network addresses.
The format employed by iso_addr() is a sequence of hexadecimal ``digits'' (optionally separated by periods), of the form:
<hex digits>.<hex digits>.<hex digits>
Each pair of hexadecimal digits represents a byte with the leading digit indicating the higher-ordered bits. A period following an even num-
ber of bytes has no effect (but may be used to increase legibility). A period following an odd number of bytes has the effect of causing the
byte of address being translated to have its higher order bits filled with zeros.
RETURN VALUES
iso_ntoa() always returns a null terminated string. iso_addr() always returns a pointer to a struct iso_addr. (See BUGS.)
SEE ALSO
iso(4)
HISTORY
The iso_addr() and iso_ntoa() functions appeared in 4.3BSD-Reno.
BUGS
The returned values reside in a static memory area.
The function iso_addr() should diagnose improperly formed input, and there should be an unambiguous way to recognize this.
BSD
June 4, 1993 BSD